PFERD TOOLS chain saw files are used worldwide for sharpening saw chains. They can be used individually with a handle or in combination with depth gauge files with the CHAIN SHARP chain saw sharpeners that are so popular with users. Round files for manually sharpening saw chains with precise spiral cutting for extreme sharpness and particularly long service life. Sharpen the teeth quickly and without scoring. Enable economical sharpening without thermal stress due to friction, which is gentler than mechanical servicing. Innovative spiral cut for users who prefer smoother filing. Technical data: https://elecena.pl/product/29379333/11037203-sharpening-files-412-200-x-4-0-premium 2025-09-23 https://elecena.pl/product/29379333/11037203-sharpening-files-412-200-x-4-0-premium 2026-06-30